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  • Board Certified Gastroenterologist

    Dr. Mantas is specially trained in the most advanced non-invasive theraputic endoscopic techniques designed to manage and treat multiple digestive disorders.

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Alexander Michael Mantas, MD PA

Fellowship Trained Board Certified Gastroenterologist

Dr. Alexander Mantas is regarded as one of Dallas’ premier board-certified gastroenterologists offering consultation, evaluation and treatment of all gastrointestinal conditions. He is locally educated and trained and began his career in 2010 with the goal of creating a new approach to gastrointestinal care. He is a member of Digestive Health Associates of Texas (DHAT) and GI Alliance (GIA) and a physician at the top hospitals located in North Texas. Dr. Mantas is excited to bring his patients into a state of perfect digestive health by combining the cutting-edge of modern science with the gentle art of old-fashioned medicine. He is a doctor to doctors, a teacher to students and a mentor to those entering the healthcare field. His mission is to improve the digestive well being of everyone in North Texas by providing high-quality, comprehensive, compassionate care in a cost-effective and efficient manner.

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Main Office
12200 Park Central Drive
Suite 403
Dallas, TX 75251

(214) 617-2000

Endoscopy Center
9500 N. Central Expressway
Suite 200
Dallas, TX 75231

(214) 739-9544

Hospital GI Lab
7777 Forest Lane
Suite 242
Dallas, TX 75251

(972) 566-7089

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Patient Testimonials

Dr. Mantas is a wonderful physician! He saw me promptly and addressed my digestive issues with the utmost compassion. He is clearly knowledgeable and effectively treated my condition. His staff was al so very attentive and helpful! I recommend him to any of my family and friends.
John P., Wellness.com
I made an appointment with Dr. Mantas for stomach pains I had been having on a regular basis, but was unsure of the cause. Dr. Mantas saw me on time and was very patient with me; he answered all of my questions, suggested affordable options for treatment and scheduled a follow up appointment to see if my symptoms improved, which they did. I have not felt this well in a long time, and something I thought I would just have to live with has now been completely resolved. I would recommend Dr. Mantas to any of my family and friends, as he is very knowledgeable in all aspects of medicine, particularly his specialty. He and his staff are very professional and I can say with certainty that I will go back to Dr. Mantas for my routine GI exams in the future.
Megan A., Doctor.com

Emergency Bowel Prep

If you started your prescription bowel prep and have not started having bowel movements 1-2 hours after your bowel prep or you are still passing non-clear effluent by mid-night then drink ONE (1) 10-oz bottle of Magnesium Citrate.

If you did not receive your bowel prep and are scheduled to undergo a colonoscopy tomorrow please download the following PDF and complete the “Miralax Prep”.

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Dr. Alexander Mantas MD - Certification With American Medical Association
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